Attendant
/əˈtɛndənt/
noun
One who attends; one who works with or watches over something.
“Give your keys to the parking attendants and they will park your car for you.”
A servant or valet.
A visitor or caller.
adjective
Going with; associated; concomitant.
“They promoted him to supervisor, with all the attendant responsibilities and privileges.”
Depending on, or owing duty or service to.
“the widow attendant to the heir”